[PATCH v2] wireless: libertas: fix unaligned accesses
Andrey Yurovsky
andrey at cozybit.com
Wed May 27 11:52:01 EDT 2009
On Tue, May 26, 2009 at 8:37 PM, Mike Frysinger <vapier at gentoo.org> wrote:
> From: Cliff Cai <cliff.cai at analog.com>
>
> Signed-off-by: Cliff Cai <cliff.cai at analog.com>
> Signed-off-by: Mike Frysinger <vapier at gentoo.org>
> Signed-off-by: Bryan Wu <cooloney at kernel.org>
> ---
> v2
> - fix style issues pointed out by Sebastian Andrzej Siewior
>
> drivers/net/wireless/libertas/cmdresp.c | 10 +++++-----
> drivers/net/wireless/libertas/scan.c | 2 +-
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
> index bcf2a97..c3e947c 100644
> --- a/drivers/net/wireless/libertas/cmdresp.c
> +++ b/drivers/net/wireless/libertas/cmdresp.c
> @@ -5,7 +5,7 @@
> #include <linux/delay.h>
> #include <linux/if_arp.h>
> #include <linux/netdevice.h>
> -
> +#include <asm/unaligned.h>
> #include <net/iw_handler.h>
>
> #include "host.h"
> @@ -154,11 +154,11 @@ static int lbs_ret_802_11_rssi(struct lbs_private *priv,
> lbs_deb_enter(LBS_DEB_CMD);
>
> /* store the non average value */
> - priv->SNR[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->SNR);
> - priv->NF[TYPE_BEACON][TYPE_NOAVG] = le16_to_cpu(rssirsp->noisefloor);
> + priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
> + priv->NF[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->noisefloor);
>
> - priv->SNR[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgSNR);
> - priv->NF[TYPE_BEACON][TYPE_AVG] = le16_to_cpu(rssirsp->avgnoisefloor);
> + priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
> + priv->NF[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgnoisefloor);
>
> priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
> CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
> diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
> index 8124db3..68bf6b7 100644
> --- a/drivers/net/wireless/libertas/scan.c
> +++ b/drivers/net/wireless/libertas/scan.c
> @@ -1130,7 +1130,7 @@ static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
> goto done;
> }
>
> - bytesleft = le16_to_cpu(scanresp->bssdescriptsize);
> + bytesleft = get_unaligned_le16(&scanresp->bssdescriptsize);
> lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
>
> scanrespsize = le16_to_cpu(resp->size);
> --
> 1.6.3.1
Please CC linux-wireless at vger.kernel.org
-Andrey
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